A coverage-guided fuzzer for pure Ruby code and Ruby C extensions. This fork also implements python custom mutators
active 2024-03-29 → 2026-05-29 (UTC)
Activity over time
Daily event counts in the loaded window
Line chart, 792 days from 2024-03-29 to 2026-05-29. Pushes: 17 total, peak 3 in a day. Pull requests: 7 total, peak 2 in a day. Issues: 7 total, peak 2 in a day. Comments: 11 total, peak 2 in a day. Stars: 100 total, peak 12 in a day.
- Pushes
- Pull requests
- Issues
- Comments
- Stars
Stars, PRs, issues and forks are under-captured in the later part of this window. GH Archive progressively stopped capturing non-push events during 2026 — −95% or worse by the end of the window. Every series here except Pushes fades for that reason, so a decline above reflects the archive, not this repository. Pushes stay reliable throughout, so read them, and the contributor counts derived from them, as the real signal. Data health has the measurements.
Top contributors
Pushes, PRs, issues, reviews and comments — stars and forks excluded, so this is contribution rather than popularity
| Contributor | Contributions | Pushes | PRs | Comments |
|---|---|---|---|---|
| mschwager | 35 | 17 | 6 | 9 |
| woodruffw | 4 | 0 | 0 | 2 |
| smoelius | 1 | 0 | 1 | 0 |
| AdvenamTacet | 1 | 0 | 0 | 0 |
| disconnect3d | 1 | 0 | 0 | 0 |
Recent activity
Latest issues, pull requests and releases
- Pull request#28mschwager2026-01-02 15:41
- Pull request#28mschwager2026-01-02 15:37
- Pull request#27smoelius2025-11-25 16:57
- Issue#20mschwager2025-11-25 15:58Harness ends with DEADLYSIGNAL at start
- Issue comment#22mschwager2025-02-20 16:22Test harness exiting with "Alarm Clock"
- Issue#22mschwager2025-02-20 16:22Test harness exiting with "Alarm Clock"
- Pull request#24mschwager2024-12-30 13:26
- Pull request#24mschwager2024-12-30 11:54
- Issue comment#2mschwager2024-12-18 15:00Fuzzing candidates
- Issue comment#23woodruffw2024-12-11 16:51Maintain a "trophy case" of found bugs?
- Issue#23woodruffw2024-12-11 16:51Maintain a "trophy case" of found bugs?
- Issue comment#23woodruffw2024-12-11 16:37Maintain a "trophy case" of found bugs?
- Issue#23woodruffw2024-12-11 16:37Maintain a "trophy case" of found bugs?
- Issue comment#22mschwager2024-10-22 12:15Test harness exiting with "Alarm Clock"
- Issue comment#22mschwager2024-10-03 13:33Test harness exiting with "Alarm Clock"
- Issue comment#2mschwager2024-08-21 18:36Fuzzing candidates
- Issue#21mschwager2024-05-01 13:51Add tests for `case` statements and other `===` usage
- Issue comment#9mschwager2024-04-23 17:57Request Ruby C API make hooking coverage events publicly available
- Issue comment#17mschwager2024-04-22 13:48Consider using __asan_default_options instead of ASAN_OPTIONS
- Issue comment#9mschwager2024-04-19 12:24Request Ruby C API make hooking coverage events publicly available
- Issue comment#20mschwager2024-04-02 11:17Harness ends with DEADLYSIGNAL at start
- Issue#20AdvenamTacet2024-04-02 03:05Harness ends with DEADLYSIGNAL at start
- Issue#19disconnect3d2024-03-29 21:36Create LeakSanitizer suppression rules to run with detect_leaks=1
- Pull request#18mschwager2024-03-29 19:01
- Pull request#18mschwager2024-03-29 16:15
Totals cover only the window loaded into ClickHouse and count events, not GitHub's lifetime totals — 100 stars here means stars gained during the window, not the repo's star count.